TI

Toshihiro Iwakuma

IC Idemitsu Kosan Co.: 88 patents #5 of 1,237Top 1%
CO Comcast: 5 patents #802 of 4,447Top 20%
Overall (All Time): #18,340 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 51–75 of 89 patents

Patent #TitleCo-InventorsDate
8372529 Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2013-02-12
8330350 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2012-12-11
8318323 Polycyclic compounds and organic electroluminescence device employing the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa, Kei Yoshida 2012-11-27
8294142 Organic EL device Kazuki Nishimura, Masahiro Kawamura, Kenichi Fukuoka, Chishio Hosokawa, Masakazu Funahashi 2012-10-23
8221907 Chrysene derivative and organic electroluminescent device using the same Masahiro Kawamura, Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masakazu Funahashi +6 more 2012-07-17
8211552 Organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2012-07-03
8207526 Organic EL device Kazuki Nishimura, Kenichi Fukuoka, Yukitoshi Jinde, Chishio Hosokawa 2012-06-26
8178874 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Keiko Yamamichi, Chishio Hosokawa 2012-05-15
8154195 Organic electroluminescence device and material for organic electroluminescence device Kazuki Nishimura, Kenichi Fukuoka, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito +2 more 2012-04-10
8114530 Material for organic electroluminescence device and organic electroluminescence device utilizing the same Jun Endo, Masaki Numata, Kenichi Fukuoka 2012-02-14
8106391 Organic EL device Jun Endo, Kenichi Fukuoka, Chishio Hosokawa, Tadahiko Yoshinaga, Emiko Kambe +1 more 2012-01-31
8106390 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Keiko Yamamichi, Chishio Hosokawa 2012-01-31
8105701 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Keiko Yamamichi 2012-01-31
8080658 Material for organic electroluminescent element and organic electroluminescent element employing the same Jun Endo, Masaki Numata, Kenichi Fukuoka 2011-12-20
8057919 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2011-11-15
8049411 Material for organic electroluminescence device and organic electroluminescence device using the same Tomoki Kato, Masaki Numata, Kazuki Nishimura, Chishio Hosokawa 2011-11-01
8039129 Organic electroluminescence device and material for organic electroluminescence device Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara 2011-10-18
8039127 Organic electroluminescence device and material for organic electroluminescence device Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara 2011-10-18
8039121 Organic electroluminescence device Masahide Matsuura, Hideaki Nagashima, Hidetsugu Ikeda, Hiroaki Nakamura, Tadashi Kusumoto 2011-10-18
8034256 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-10-11
8035297 Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Takashi Arakane, Hitoshi Kuma, Hisayuki Kawamura, Chishio Hosokawa 2011-10-11
8029697 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-10-04
8025815 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-09-27
8021574 Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara +2 more 2011-09-20
7990046 Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Chishio Hosokawa, Hidetsugu Ikeda, Seiji Tomita, Takashi Arakane 2011-08-02